| Directory > Computers > Software > Operating Systems > Unix > Security > Admin Tools-Software LogSurfer
Allows improved monitoring and alerting based on the contents of system logs.
http://www.cert.dfn.de/eng/logsurf/
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Symark Software
Execute root-level commands and shell scripts without having to actually login as root. Control
which users can log in and under which circumstances.
http://www.symark.com/products.htm
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The SUS Home Page
SUS is a utility to allow a user (typically a system administrator) to run a single command as the
super user.
http://pdg.uow.edu.au/sus/
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lsof
lsof is a tool for examining I/O channels open on your Unix system. These can include files, FIFOs
and network sockets. This information can be extremely useful for security and a variety of other
purposes. Works on most Unix-like systems.
http://freshmeat.net/projects/lsof
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The Coroner's Toolkit (TCT)
The Coroner's Toolkit (TCT) provides post-break-in data collection that could be useful in
determining what happened. Less polished that the authors (Dan Farmer and Wietse Venema) usual
work, the toolkit offers a patch-work of tools that help exhume interesting stuff from violated
systems. Should be installed and examined before a break-in happens!
http://www.porcupine.org/forensics/tct.html
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NMAP Network Scanner
Efficient stealth port scanner. Downloads, e-mail lists, news.
http://www.nmap.org/
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Tripwire Open Source
Open source version of the original Unix file integrity scanner. Calculates and stores signatures
of file permissions, ownership and contents. Scans the same files later, detecting changes. This
open source version is targeted at Linux systems.
http://www.tripwire.org
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Tripwire Inc.
Commercial version of the original Unix file integrity scanner. Calculates and stores signatures of
file permissions, ownership and contents. Scans the same files later, detecting changes.
http://www.tripwire.com/
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Postfix Mail Transfer Agent
Drop-in Sendmail replacement by Wietse Venema. Offers several features that make it difficult to
crack.
http://www.postfix.org
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GNU Privacy Guard
OpenPGP (RFC2440) implementation from the GNU project. Encrypts/decrypts/signs/digests files using
strong cryptography. FAQ, downloads, documentation.
http://www.gnupg.org/
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OpenSSH - Portable Distribution
Open source implementation of SSH1 and SSH2 protocols. Ported from OpenBSD by the OpenSSH
portability team.
http://www.openssh.org/portable.html
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sudoscript
A pair of Perl scripts that provide an audited root shell using sudo and script(1). Tarballs, RPM's
and individual components.
http://www.egbok.com/sudoscript
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Netpassword
Changing passwords safely across the net.
http://www.brunel.ac.uk/depts/cc/papers/netpassword-paper/paper.html
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Virtual eXecuting Environment
VXE defines restrictions for filesystem and all syscalls. More convenient than chroot(); (free
for non-commercial use).
http://www.intes.odessa.ua/vxe
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Pidentd
Daemon implementing IDENT protocol, it can be used to identify the user who initiated a TCP/IP
connection
ftp://ftp.lysator.liu.se/pub/ident/servers/
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Sudo
Run selected commands as root, with the users' own password. Allows the administrator to grant
limited root privileges to a subset of users, without giving out the root password.
http://www.sudo.ws/
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mcrypt
A replacement for the unix crypt, using several block algorithms in several modes like cbc, and
cfb.
http://hq.hellug.gr/~mcrypt
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GASP! -- Georgetown Automated Solaris Patchtool
Automate Sun's Patchdiag tool with a command-line or X-Windows interface.
http://www.georgetown.edu/reillyb/gasp
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OpenSSL
The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, fully
featured, and Open Source toolkit implementing the Secure Sockets Layer and Transport Layer
Security protocols with full-strength cryptography world-wide.
http://www.openssl.org/
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SAINT
(Security Administrator's Integrated Network Tool) Scans systems and networks and reports potential
vulnerabilities.
http://www.wwdsi.com/saint/
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LBNL's Network Research Group
Tools such as tcpdump and traceroute.
http://www-nrg.ee.lbl.gov/nrg.html
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North American Cryptography Archives
Strong cryptographic software, libraries, and information about cryptography, data security, and
privacy.
http://cryptography.org
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